142257756 has 12 divisors (see below), whose sum is σ = 331934792. Its totient is φ = 47419248.

The previous prime is 142257719. The next prime is 142257763. The reversal of 142257756 is 657752241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5927395 + ... + 5927418.

Almost surely, 2^142257756 is an apocalyptic number.

It is an amenable number.

142257756 is an abundant number, since it is smaller than the sum of its proper divisors (189677036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142257756 is a wasteful number, since it uses less digits than its factorization.

142257756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854820 (or 11854818 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 142257756 is about 11927.1855858790. The cubic root of 142257756 is about 522.0258204224.

The spelling of 142257756 in words is "one hundred forty-two million, two hundred fifty-seven thousand, seven hundred fifty-six".